code: def __call__(self, *args, **kwargs):
      from .backend.nn import load
  
      return load(*args, **kwargs)
  
file_path: turicreate/src/external/coremltools_wrap/coremltools/coremltools/converters/mil/converter.py
imports: from coremltools.converters._profile_utils import _profile
  from .mil.passes.common_pass import common_pass
label_desc: Use image node_id 1 for calling the NNProtoBackend obj's underlying member method code with example usage: obj.__call__() and returns: load